CVE-2026-39595: boldgrid w3_total_cache Missing Authorization
CVSS: 4.7v3.1MediumDeferred
Published 17-06-2026Last modified 17-06-2026
Vulnerability summary
CVE-2026-39595 is a medium (CVSS 4.7) Missing Authorization vulnerability in boldgrid w3_total_cache. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.1% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-06-2026PublishedVulnerability first disclosed.
- 17-06-2026Last modifiedVulnerability information updated.
Description
Author Broken Access Control in W3 Total Cache <= 2.9.1 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 4.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LSources3 sources · 4.3–4.7
- NVDNIST4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
+0.08 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Boldgrid1 product
- w3_total_cache≥ n/a, ≤ 2.9.1
Wordpress1 product
- w3-total-cache≤ 2.9.1 (fixed in 2.9.2)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry